2023-01-29

[public] 90.0K views, 27.1K likes, dislikes audio only

Sebastian Lague

Let's figure out how to move data around inside our simulated computer. Featuring multiplexers, buses, and three-state logic.

Series playlist: https://www.youtube.com/playlist?list=PLFt_AvWsXl0dPhqVsKt1Ni_46ARyiCGSq

Simulation tool (work in progress): https://sebastian.itch.io/digital-logic-sim

Source code: https://github.com/SebLague/Digital-Logic-Sim

Support the channel: https://www.patreon.com/SebastianLague

Resources and Inspiration:

/youtube/video/QzWW-CBugZo

https://en.wikipedia.org/wiki/Three-state_logic

https://en.wikipedia.org/wiki/Bus_(computing)

The Art of Electronics (3rd edition)

Music Credits:

https://github.com/SebLague/Misc-Project-Info/blob/main/Digital-Logic-Sim/Bus%20Video%20Credits

Chapters

0:00 Intro

1:33 Multiplexers

3:47 Making a Mess

4:45 Public Transport to the Rescue

6:09 Push-Pull Outputs

9:17 Bus Contention

10:00 Three-State Outputs

12:23 Bus Buffer

14:56 Testing the Bus

18:08 Outro